def __init__(self,
classes,
num_rels,
mode='sgdet',
embed_dim=200,
pooling_dim=4096,
use_bias=True):
super(EndCell, self).__init__()
self.classes = classes
self.num_rels = num_rels
assert mode in MODES
self.embed_dim = embed_dim
self.pooling_dim = pooling_dim
self.use_bias = use_bias
self.mode = mode
self.ort_embedding = torch.autograd.Variable(
get_ort_embeds(self.num_classes, self.embed_dim).cuda())
self.context = LC(classes=self.classes,
mode=self.mode,
embed_dim=self.embed_dim,
obj_dim=self.pooling_dim)
self.union_boxes = UnionBoxesAndFeats(pooling_size=7,
stride=16,
dim=512)
self.pooling_size = 7
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=pooling_dim == 4096,
pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
self.post_lstm = nn.Linear(self.pooling_dim + self.embed_dim + 5,
self.pooling_dim * 2)
# Initialize to sqrt(1/2n) so that the outputs all have mean 0 and variance 1.
# (Half contribution comes from LSTM, half from embedding.
# In practice the pre-lstm stuff tends to have stdev 0.1 so I multiplied this by 10.
self.post_lstm.weight.data.normal_(
0, 10.0 * math.sqrt(1.0 / self.pooling_dim))
self.post_lstm.bias.data.zero_()
self.post_emb = nn.Linear(self.pooling_dim + self.embed_dim + 5,
self.pooling_dim * 2)
self.rel_compress = nn.Linear(self.pooling_dim,
self.num_rels,
bias=True)
self.rel_compress.weight = torch.nn.init.xavier_normal(
self.rel_compress.weight, gain=1.0)
if self.use_bias:
self.freq_bias = FrequencyBias()
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=False,
require_overlap_det=True,
embed_dim=200,
hidden_dim=4096,
use_resnet=False,
thresh=0.01,
use_proposals=False,
use_bias=True,
limit_vision=True,
depth_model=None,
pretrained_depth=False,
active_features=None,
frozen_features=None,
use_embed=False,
**kwargs):
"""
:param classes: object classes
:param rel_classes: relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
:param num_gpus: how many GPUS 2 use
:param use_vision: enable the contribution of union of bounding boxes
:param require_overlap_det: whether two objects must intersect
:param embed_dim: word2vec embeddings dimension
:param hidden_dim: dimension of the fusion hidden layer
:param use_resnet: use resnet as faster-rcnn's backbone
:param thresh: faster-rcnn related threshold (Threshold for calling it a good box)
:param use_proposals: whether to use region proposal candidates
:param use_bias: enable frequency bias
:param limit_vision: use truncated version of UoBB features
:param depth_model: provided architecture for depth feature extraction
:param pretrained_depth: whether the depth feature extractor should be initialized with ImageNet weights
:param active_features: what set of features should be enabled (e.g. 'vdl' : visual, depth, and location features)
:param frozen_features: what set of features should be frozen (e.g. 'd' : depth)
:param use_embed: use word2vec embeddings
"""
RelModelBase.__init__(self, classes, rel_classes, mode, num_gpus,
require_overlap_det, active_features,
frozen_features)
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = 2048 if use_resnet else 4096
self.use_vision = use_vision
self.use_bias = use_bias
self.limit_vision = limit_vision
# -- Store depth related parameters
assert depth_model in DEPTH_MODELS
self.depth_model = depth_model
self.pretrained_depth = pretrained_depth
self.depth_pooling_dim = DEPTH_DIMS[self.depth_model]
self.use_embed = use_embed
self.detector = nn.Module()
features_size = 0
# -- Check whether ResNet is selected as faster-rcnn's backbone
if use_resnet:
raise ValueError(
"The current model does not support ResNet as the Faster-RCNN's backbone."
)
""" *** DIFFERENT COMPONENTS OF THE PROPOSED ARCHITECTURE ***
This is the part where the different components of the proposed relation detection
architecture are defined. In the case of RGB images, we have class probability distribution
features, visual features, and the location ones. If we are considering depth images as well,
we augment depth features too. """
# -- Visual features
if self.has_visual:
# -- Define faster R-CNN network and it's related feature extractors
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels')
if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
# -- Define union features
if self.use_vision:
# -- UoBB pooling module
self.union_boxes = UnionBoxesAndFeats(
pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512)
# -- UoBB feature extractor
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=self.hidden_dim == 4096,
pretrained=False).classifier,
]
if self.hidden_dim != 4096:
roi_fmap.append(nn.Linear(4096, self.hidden_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
# -- Define visual features hidden layer
self.visual_hlayer = nn.Sequential(*[
xavier_init(nn.Linear(self.obj_dim * 2, self.FC_SIZE_VISUAL)),
nn.ReLU(inplace=True),
nn.Dropout(0.8)
])
self.visual_scale = ScaleLayer(1.0)
features_size += self.FC_SIZE_VISUAL
# -- Location features
if self.has_loc:
# -- Define location features hidden layer
self.location_hlayer = nn.Sequential(*[
xavier_init(nn.Linear(self.LOC_INPUT_SIZE, self.FC_SIZE_LOC)),
nn.ReLU(inplace=True),
nn.Dropout(0.1)
])
self.location_scale = ScaleLayer(1.0)
features_size += self.FC_SIZE_LOC
# -- Class features
if self.has_class:
if self.use_embed:
# -- Define class embeddings
embed_vecs = obj_edge_vectors(self.classes,
wv_dim=self.embed_dim)
self.obj_embed = nn.Embedding(self.num_classes, self.embed_dim)
self.obj_embed.weight.data = embed_vecs.clone()
classme_input_dim = self.embed_dim if self.use_embed else self.num_classes
# -- Define Class features hidden layer
self.classme_hlayer = nn.Sequential(*[
xavier_init(
nn.Linear(classme_input_dim * 2, self.FC_SIZE_CLASS)),
nn.ReLU(inplace=True),
nn.Dropout(0.1)
])
self.classme_scale = ScaleLayer(1.0)
features_size += self.FC_SIZE_CLASS
# -- Depth features
if self.has_depth:
# -- Initialize depth backbone
self.depth_backbone = DepthCNN(depth_model=self.depth_model,
pretrained=self.pretrained_depth)
# -- Create a relation head which is used to carry on the feature extraction
# from RoIs of depth features
self.depth_rel_head = self.depth_backbone.get_classifier()
# -- Define depth features hidden layer
self.depth_rel_hlayer = nn.Sequential(*[
xavier_init(
nn.Linear(self.depth_pooling_dim * 2, self.FC_SIZE_DEPTH)),
nn.ReLU(inplace=True),
nn.Dropout(0.6),
])
self.depth_scale = ScaleLayer(1.0)
features_size += self.FC_SIZE_DEPTH
# -- Initialize frequency bias if needed
if self.use_bias:
self.freq_bias = FrequencyBias()
# -- *** Fusion layer *** --
# -- A hidden layer for concatenated features (fusion features)
self.fusion_hlayer = nn.Sequential(*[
xavier_init(nn.Linear(features_size, self.hidden_dim)),
nn.ReLU(inplace=True),
nn.Dropout(0.1)
])
# -- Final FC layer which predicts the relations
self.rel_out = xavier_init(
nn.Linear(self.hidden_dim, self.num_rels, bias=True))
# -- Freeze the user specified features
if self.frz_visual:
self.freeze_module(self.detector)
self.freeze_module(self.roi_fmap_obj)
self.freeze_module(self.visual_hlayer)
if self.use_vision:
self.freeze_module(self.roi_fmap)
self.freeze_module(self.union_boxes.conv)
if self.frz_class:
self.freeze_module(self.classme_hlayer)
if self.frz_loc:
self.freeze_module(self.location_hlayer)
if self.frz_depth:
self.freeze_module(self.depth_backbone)
self.freeze_module(self.depth_rel_head)
self.freeze_module(self.depth_rel_hlayer)
def __init__(self, classes, rel_classes, mode='sgdet', num_gpus=1, use_vision=True, require_overlap_det=True,
embed_dim=200, hidden_dim=256, pooling_dim=2048,
nl_obj=1, nl_edge=2, use_resnet=False, order='confidence', thresh=0.01,
use_proposals=False, pass_in_obj_feats_to_decoder=True,
pass_in_obj_feats_to_edge=True, rec_dropout=0.0, use_bias=True, use_tanh=True,
limit_vision=True):
"""
:param classes: Object classes
:param rel_classes: Relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
:param num_gpus: how many GPUS 2 use
:param use_vision: Whether to use vision in the final product
:param require_overlap_det: Whether two objects must intersect
:param embed_dim: Dimension for all embeddings
:param hidden_dim: LSTM hidden size
:param obj_dim:
"""
super(RelModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = 2048 if use_resnet else 4096
self.pooling_dim = pooling_dim
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision=limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
# print('REL MODEL CONSTRUCTOR: 1')
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels') if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
# print('REL MODEL CONSTRUCTOR: 2')
self.context = LinearizedContext(self.classes, self.rel_classes, mode=self.mode,
embed_dim=self.embed_dim, hidden_dim=self.hidden_dim,
obj_dim=self.obj_dim,
nl_obj=nl_obj, nl_edge=nl_edge, dropout_rate=rec_dropout,
order=order,
pass_in_obj_feats_to_decoder=pass_in_obj_feats_to_decoder,
pass_in_obj_feats_to_edge=pass_in_obj_feats_to_edge)
# Image Feats (You'll have to disable if you want to turn off the features from here)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size, stride=16,
dim=1024 if use_resnet else 512)
# print('REL MODEL CONSTRUCTOR: 3')
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False, use_relu=False, use_linear=pooling_dim == 4096, pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
# print('REL MODEL CONSTRUCTOR: 4')
###################################
self.post_lstm = nn.Linear(self.hidden_dim, self.pooling_dim * 2)
# Initialize to sqrt(1/2n) so that the outputs all have mean 0 and variance 1.
# (Half contribution comes from LSTM, half from embedding.
# In practice the pre-lstm stuff tends to have stdev 0.1 so I multiplied this by 10.
self.post_lstm.weight.data.normal_(0, 10.0 * math.sqrt(1.0 / self.hidden_dim))
self.post_lstm.bias.data.zero_()
# print('REL MODEL CONSTRUCTOR: 5')
if nl_edge == 0:
self.post_emb = nn.Embedding(self.num_classes, self.pooling_dim*2)
self.post_emb.weight.data.normal_(0, math.sqrt(1.0))
self.rel_compress = nn.Linear(self.pooling_dim, self.num_rels, bias=True)
self.rel_compress.weight = torch.nn.init.xavier_normal(self.rel_compress.weight, gain=1.0)
if self.use_bias:
self.freq_bias = FrequencyBias()
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
require_overlap_det=True,
pooling_dim=4096,
use_resnet=False,
thresh=0.01,
use_proposals=False,
use_ggnn_obj=False,
ggnn_obj_time_step_num=3,
ggnn_obj_hidden_dim=512,
ggnn_obj_output_dim=512,
use_ggnn_rel=False,
ggnn_rel_time_step_num=3,
ggnn_rel_hidden_dim=512,
ggnn_rel_output_dim=512,
use_obj_knowledge=True,
use_rel_knowledge=True,
obj_knowledge='',
rel_knowledge=''):
"""
:param classes: Object classes
:param rel_classes: Relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
:param num_gpus: how many GPUS 2 use
:param require_overlap_det: Whether two objects must intersect
"""
super(KERN, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.obj_dim = 2048 if use_resnet else 4096
self.rel_dim = self.obj_dim
self.pooling_dim = pooling_dim
self.use_ggnn_obj = use_ggnn_obj
self.use_ggnn_rel = use_ggnn_rel
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels')
if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=pooling_dim == 4096,
pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
if self.use_ggnn_obj:
self.ggnn_obj_reason = GGNNObjReason(
mode=self.mode,
num_obj_cls=len(self.classes),
obj_dim=self.obj_dim,
time_step_num=ggnn_obj_time_step_num,
hidden_dim=ggnn_obj_hidden_dim,
output_dim=ggnn_obj_output_dim,
use_knowledge=use_obj_knowledge,
knowledge_matrix=obj_knowledge)
if self.use_ggnn_rel:
self.ggnn_rel_reason = GGNNRelReason(
mode=self.mode,
num_obj_cls=len(self.classes),
num_rel_cls=len(rel_classes),
obj_dim=self.obj_dim,
rel_dim=self.rel_dim,
time_step_num=ggnn_rel_time_step_num,
hidden_dim=ggnn_rel_hidden_dim,
output_dim=ggnn_obj_output_dim,
use_knowledge=use_rel_knowledge,
knowledge_matrix=rel_knowledge)
else:
self.vr_fc_cls = VRFC(self.mode, self.rel_dim, len(self.classes),
len(self.rel_classes))
def __init__(self, classes, rel_classes, graph_path, emb_path, mode='sgdet', num_gpus=1,
require_overlap_det=True, pooling_dim=4096, use_resnet=False, thresh=0.01,
use_proposals=False,
ggnn_rel_time_step_num=3,
ggnn_rel_hidden_dim=512,
ggnn_rel_output_dim=512, use_knowledge=True, use_embedding=True, refine_obj_cls=False,
rel_counts_path=None, class_volume=1.0, top_k_to_keep=5, normalize_messages=True):
"""
:param classes: Object classes
:param rel_classes: Relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
:param num_gpus: how many GPUS 2 use
:param require_overlap_det: Whether two objects must intersect
"""
super(KERN, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.obj_dim = 2048 if use_resnet else 4096
self.rel_dim = self.obj_dim
self.pooling_dim = pooling_dim
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels') if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64
)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size, stride=16,
dim=1024 if use_resnet else 512)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False, use_relu=False, use_linear=pooling_dim == 4096, pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
self.ggnn_rel_reason = GGNNRelReason(mode=self.mode,
num_obj_cls=len(self.classes),
num_rel_cls=len(rel_classes),
obj_dim=self.obj_dim,
rel_dim=self.rel_dim,
time_step_num=ggnn_rel_time_step_num,
hidden_dim=ggnn_rel_hidden_dim,
output_dim=ggnn_rel_output_dim,
emb_path=emb_path,
graph_path=graph_path,
refine_obj_cls=refine_obj_cls,
use_knowledge=use_knowledge,
use_embedding=use_embedding,
top_k_to_keep=top_k_to_keep,
normalize_messages=normalize_messages
)
if rel_counts_path is not None:
with open(rel_counts_path, 'rb') as fin:
rel_counts = pickle.load(fin)
beta = (class_volume - 1.0) / class_volume
self.rel_class_weights = (1.0 - beta) / (1 - (beta ** rel_counts))
self.rel_class_weights *= float(self.num_rels) / np.sum(self.rel_class_weights)
else:
self.rel_class_weights = np.ones((self.num_rels,))
self.rel_class_weights = Variable(torch.from_numpy(self.rel_class_weights).float().cuda(), requires_grad=False)
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=True,
require_overlap_det=True,
embed_dim=200,
hidden_dim=256,
pooling_dim=2048,
nl_obj=1,
nl_edge=2,
use_resnet=False,
order='confidence',
thresh=0.01,
use_proposals=False,
pass_in_obj_feats_to_decoder=True,
gnn=True,
reachability=False,
pass_in_obj_feats_to_edge=True,
rec_dropout=0.0,
use_bias=True,
use_tanh=True,
limit_vision=True):
"""
:param classes: Object classes
:param rel_classes: Relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
:param num_gpus: how many GPUS 2 use
:param use_vision: Whether to use vision in the final product
:param require_overlap_det: Whether two objects must intersect
:param embed_dim: Dimension for all embeddings
:param hidden_dim: LSTM hidden size
:param obj_dim:
"""
super(RelModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.reachability = reachability
self.gnn = gnn
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = 2048 if use_resnet else 4096
self.pooling_dim = pooling_dim
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision = limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.global_embedding = EmbeddingImagenet(4096)
self.global_logist = nn.Linear(4096, 151,
bias=True) # CosineLinear(4096,150)#
self.global_logist.weight = torch.nn.init.xavier_normal(
self.global_logist.weight, gain=1.0)
self.disc_center = DiscCentroidsLoss(self.num_rels,
self.pooling_dim + 256)
self.meta_classify = MetaEmbedding_Classifier(
feat_dim=self.pooling_dim + 256, num_classes=self.num_rels)
# self.global_rel_logist = nn.Linear(4096, 50 , bias=True)
# self.global_rel_logist.weight = torch.nn.init.xavier_normal(self.global_rel_logist.weight, gain=1.0)
# self.global_logist = CosineLinear(4096,150)
self.global_sub_additive = nn.Linear(4096, 1, bias=True)
self.global_obj_additive = nn.Linear(4096, 1, bias=True)
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels')
if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.context = LinearizedContext(
self.classes,
self.rel_classes,
mode=self.mode,
embed_dim=self.embed_dim,
hidden_dim=self.hidden_dim,
obj_dim=self.obj_dim,
nl_obj=nl_obj,
nl_edge=nl_edge,
dropout_rate=rec_dropout,
order=order,
pass_in_obj_feats_to_decoder=pass_in_obj_feats_to_decoder,
pass_in_obj_feats_to_edge=pass_in_obj_feats_to_edge)
# Image Feats (You'll have to disable if you want to turn off the features from here)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=pooling_dim == 4096,
pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
###################################
self.post_lstm = nn.Linear(self.hidden_dim, self.pooling_dim * 2)
self.edge_coordinate_embedding = nn.Sequential(*[
nn.BatchNorm1d(5, momentum=BATCHNORM_MOMENTUM / 10.0),
nn.Linear(5, 256),
nn.ReLU(inplace=True),
nn.Dropout(0.1),
])
# Initialize to sqrt(1/2n) so that the outputs all have mean 0 and variance 1.
# (Half contribution comes from LSTM, half from embedding.
# In practice the pre-lstm stuff tends to have stdev 0.1 so I multiplied this by 10.
self.post_lstm.weight.data.normal_(
0, 10.0 * math.sqrt(1.0 / self.hidden_dim))
self.post_lstm.bias.data.zero_()
if nl_edge == 0:
self.post_emb = nn.Embedding(self.num_classes,
self.pooling_dim * 2)
self.post_emb.weight.data.normal_(0, math.sqrt(1.0))
self.rel_compress = nn.Linear(4096 + 256, 51, bias=True)
self.rel_compress.weight = torch.nn.init.xavier_normal(
self.rel_compress.weight, gain=1.0)
self.node_transform = nn.Linear(4096, 256, bias=True)
self.edge_transform = nn.Linear(4096, 256, bias=True)
# self.rel_compress = CosineLinear(self.pooling_dim+256, self.num_rels)
# self.rel_compress.weight = torch.nn.init.xavier_normal(self.rel_compress.weight, gain=1.0)
if self.use_bias:
self.freq_bias = FrequencyBias()
if self.gnn:
self.graph_network_node = GraphNetwork(4096)
self.graph_network_edge = GraphNetwork()
if self.training:
self.graph_network_node.train()
self.graph_network_edge.train()
else:
self.graph_network_node.eval()
self.graph_network_edge.eval()
self.edge_sim_network = nn.Linear(4096, 1, bias=True)
self.metric_net = MetricLearning()
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=True,
require_overlap_det=True,
embed_dim=200,
hidden_dim=256,
pooling_dim=2048,
nl_obj=1,
nl_edge=2,
use_resnet=False,
order='confidence',
thresh=0.01,
use_proposals=False,
pass_in_obj_feats_to_decoder=True,
pass_in_obj_feats_to_edge=True,
rec_dropout=0.0,
use_bias=True,
use_tanh=True,
limit_vision=True):
"""
:param classes: Object classes
:param rel_classes: Relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
:param num_gpus: how many GPUS 2 use
:param use_vision: Whether to use vision in the final product
:param require_overlap_det: Whether two objects must intersect
:param embed_dim: Dimension for all embeddings
:param hidden_dim: LSTM hidden size
:param obj_dim:
"""
super(RelModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = 2048 if use_resnet else 4096
self.pooling_dim = pooling_dim
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision = limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.hook_for_grad = False
self.gradients = []
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels')
if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.ort_embedding = torch.autograd.Variable(
get_ort_embeds(self.num_classes, 200).cuda())
embed_vecs = obj_edge_vectors(self.classes, wv_dim=self.embed_dim)
self.obj_embed = nn.Embedding(self.num_classes, self.embed_dim)
self.obj_embed.weight.data = embed_vecs.clone()
# This probably doesn't help it much
self.pos_embed = nn.Sequential(*[
nn.BatchNorm1d(4, momentum=BATCHNORM_MOMENTUM / 10.0),
nn.Linear(4, 128),
nn.ReLU(inplace=True),
nn.Dropout(0.1),
])
self.context = LinearizedContext(
self.classes,
self.rel_classes,
mode=self.mode,
embed_dim=self.embed_dim,
hidden_dim=self.hidden_dim,
obj_dim=self.obj_dim,
nl_obj=nl_obj,
nl_edge=nl_edge,
dropout_rate=rec_dropout,
order=order,
pass_in_obj_feats_to_decoder=pass_in_obj_feats_to_decoder,
pass_in_obj_feats_to_edge=pass_in_obj_feats_to_edge)
# Image Feats (You'll have to disable if you want to turn off the features from here)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512)
self.merge_obj_feats = nn.Sequential(
nn.Linear(self.obj_dim + self.embed_dim + 128, self.hidden_dim),
nn.ReLU())
# self.trans = nn.Sequential(nn.Linear(self.hidden_dim, self.hidden_dim//4),
# LayerNorm(self.hidden_dim//4), nn.ReLU(),
# nn.Linear(self.hidden_dim//4, self.hidden_dim))
self.get_phr_feats = nn.Linear(self.pooling_dim, self.hidden_dim)
self.embeddings4lstm = nn.Embedding(self.num_classes, self.embed_dim)
self.lstm = nn.LSTM(input_size=self.hidden_dim + self.embed_dim,
hidden_size=self.hidden_dim,
num_layers=1)
self.obj_mps1 = Message_Passing4OBJ(self.hidden_dim)
# self.obj_mps2 = Message_Passing4OBJ(self.hidden_dim)
self.get_boxes_encode = Boxes_Encode(64)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=pooling_dim == 4096,
pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
###################################
# self.obj_classify_head = nn.Linear(self.pooling_dim, self.num_classes)
# self.post_emb_s = nn.Linear(self.pooling_dim, self.pooling_dim//2)
# self.post_emb_s.weight = torch.nn.init.xavier_normal(self.post_emb_s.weight, gain=1.0)
# self.post_emb_o = nn.Linear(self.pooling_dim, self.pooling_dim//2)
# self.post_emb_o.weight = torch.nn.init.xavier_normal(self.post_emb_o.weight, gain=1.0)
# self.merge_obj_high = nn.Linear(self.hidden_dim, self.pooling_dim//2)
# self.merge_obj_high.weight = torch.nn.init.xavier_normal(self.merge_obj_high.weight, gain=1.0)
# self.merge_obj_low = nn.Linear(self.pooling_dim + 5 + self.embed_dim, self.pooling_dim//2)
# self.merge_obj_low.weight = torch.nn.init.xavier_normal(self.merge_obj_low.weight, gain=1.0)
# self.rel_compress = nn.Linear(self.pooling_dim//2 + 64, self.num_rels, bias=True)
# self.rel_compress.weight = torch.nn.init.xavier_normal(self.rel_compress.weight, gain=1.0)
# self.freq_gate = nn.Linear(self.pooling_dim//2 + 64, self.num_rels, bias=True)
# self.freq_gate.weight = torch.nn.init.xavier_normal(self.freq_gate.weight, gain=1.0)
self.post_emb_s = nn.Linear(self.pooling_dim, self.pooling_dim)
self.post_emb_s.weight = torch.nn.init.xavier_normal(
self.post_emb_s.weight, gain=1.0)
self.post_emb_o = nn.Linear(self.pooling_dim, self.pooling_dim)
self.post_emb_o.weight = torch.nn.init.xavier_normal(
self.post_emb_o.weight, gain=1.0)
self.merge_obj_high = nn.Linear(self.hidden_dim, self.pooling_dim)
self.merge_obj_high.weight = torch.nn.init.xavier_normal(
self.merge_obj_high.weight, gain=1.0)
self.merge_obj_low = nn.Linear(self.pooling_dim + 5 + self.embed_dim,
self.pooling_dim)
self.merge_obj_low.weight = torch.nn.init.xavier_normal(
self.merge_obj_low.weight, gain=1.0)
self.rel_compress = nn.Linear(self.pooling_dim + 64,
self.num_rels,
bias=True)
self.rel_compress.weight = torch.nn.init.xavier_normal(
self.rel_compress.weight, gain=1.0)
self.freq_gate = nn.Linear(self.pooling_dim + 64,
self.num_rels,
bias=True)
self.freq_gate.weight = torch.nn.init.xavier_normal(
self.freq_gate.weight, gain=1.0)
# self.ranking_module = nn.Sequential(nn.Linear(self.pooling_dim + 64, self.hidden_dim), nn.ReLU(), nn.Linear(self.hidden_dim, 1))
if self.use_bias:
self.freq_bias = FrequencyBias()
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=True,
require_overlap_det=False,
embed_dim=200,
hidden_dim=256,
obj_dim=2048,
pooling_dim=4096,
nl_obj=1,
nl_edge=2,
use_resnet=True,
order='confidence',
thresh=0.01,
use_proposals=False,
pass_in_obj_feats_to_decoder=True,
pass_in_obj_feats_to_edge=True,
rec_dropout=0.0,
use_bias=True,
use_tanh=True,
limit_vision=True,
spatial_dim=128,
mp_iter_num=1,
trim_graph=True):
"""
Args:
mp_iter_num: integer, number of message passing iteration
trim_graph: boolean, trim graph in rel pn
"""
super(FckModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = obj_dim
self.pooling_dim = 2048 if use_resnet else 4096
self.spatial_dim = spatial_dim
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision = limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.mp_iter_num = mp_iter_num
self.trim_graph = trim_graph
classes_word_vec = obj_edge_vectors(self.classes, wv_dim=embed_dim)
self.classes_word_embedding = nn.Embedding(self.num_classes, embed_dim)
self.classes_word_embedding.weight.data = classes_word_vec.clone()
self.classes_word_embedding.weight.requires_grad = False
#fg_matrix, bg_matrix = get_counts()
#rel_obj_distribution = fg_matrix / (fg_matrix.sum(2)[:, :, None] + 1e-5)
#rel_obj_distribution = torch.FloatTensor(rel_obj_distribution)
#rel_obj_distribution = rel_obj_distribution.view(-1, self.num_rels)
#
#self.rel_obj_distribution = nn.Embedding(rel_obj_distribution.size(0), self.num_rels)
## (#obj_class * #obj_class, #rel_class)
#self.rel_obj_distribution.weight.data = rel_obj_distribution
if mode == 'sgdet':
if use_proposals:
obj_detector_mode = 'proposals'
else:
obj_detector_mode = 'refinerels'
else:
obj_detector_mode = 'gtbox'
self.detector = ObjectDetector(
classes=classes,
mode=obj_detector_mode,
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512,
use_feats=False)
self.spatial_fc = nn.Sequential(*[
nn.Linear(4, spatial_dim),
nn.BatchNorm1d(spatial_dim, momentum=BATCHNORM_MOMENTUM / 10.),
nn.ReLU(inplace=True)
])
self.word_fc = nn.Sequential(*[
nn.Linear(2 * embed_dim, hidden_dim),
nn.BatchNorm1d(hidden_dim, momentum=BATCHNORM_MOMENTUM / 10.),
nn.ReLU(inplace=True)
])
# union box feats
feats_dim = obj_dim + spatial_dim + hidden_dim
self.relpn_fc = nn.Linear(feats_dim, 2)
self.relcnn_fc1 = nn.Sequential(
*[nn.Linear(feats_dim, feats_dim),
nn.ReLU(inplace=True)])
# v2 model---------
self.box_mp_fc = nn.Sequential(*[
nn.Linear(obj_dim, obj_dim),
])
self.sub_rel_mp_fc = nn.Sequential(*[nn.Linear(feats_dim, obj_dim)])
self.obj_rel_mp_fc = nn.Sequential(*[
nn.Linear(feats_dim, obj_dim),
])
self.mp_atten_fc = nn.Sequential(*[
nn.Linear(feats_dim + obj_dim, obj_dim),
nn.ReLU(inplace=True),
nn.Linear(obj_dim, 1)
])
# v2 model----------
self.cls_fc = nn.Linear(obj_dim, self.num_classes)
self.relcnn_fc2 = nn.Linear(feats_dim, self.num_rels)
# v3 model -----------
self.mem_module = MemoryRNN(classes=classes,
rel_classes=rel_classes,
inputs_dim=feats_dim,
hidden_dim=hidden_dim,
recurrent_dropout_probability=.0)
# v3 model -----------
if use_resnet:
# deprecate
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
load_vgg(
use_dropout=False,
use_relu=False,
use_linear=self.obj_dim == 4096,
pretrained=False,
).classifier,
nn.Linear(self.pooling_dim, self.obj_dim)
]
self.roi_fmap = nn.Sequential(*roi_fmap)
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=True,
require_overlap_det=True,
embed_dim=200,
hidden_dim=256,
pooling_dim=2048,
nl_obj=1,
nl_edge=2,
use_resnet=False,
order='confidence',
thresh=0.01,
use_proposals=False,
pass_in_obj_feats_to_decoder=True,
pass_in_obj_feats_to_edge=True,
rec_dropout=0.0,
use_bias=True,
use_tanh=True,
limit_vision=True):
"""
Args:
classes: list, list of 151 object class names(including background)
rel_classes: list, list of 51 predicate names( including background(norelationship))
mode: string, 'sgdet', 'predcls' or 'sgcls'
num_gpus: integer, number of GPUs to use
use_vision: boolean, whether to use vision in the final product
require_overlap_det: boolean, whether two object must intersect
embed_dim: integer, number of dimension for all embeddings
hidden_dim: integer, hidden size of LSTM
pooling_dim: integer, outputsize of vgg fc layer
nl_obj: integer, number of object context layer, 2 in paper
nl_edge: integer, number of edge context layer, 4 in paper
use_resnet: integer, use resnet for backbone
order: string, value must be in ('size', 'confidence', 'random', 'leftright'), order of RoIs
thresh: float, threshold for scores of boxes
if score of box smaller than thresh, then it will be abandoned
use_proposals: boolean, whether to use proposals
pass_in_obj_feats_to_decoder: boolean, whether to pass object features to decoder RNN
pass_in_obj_feats_to_edge: boolean, whether to pass object features to edge context RNN
rec_dropout: float, dropout rate in RNN
use_bias: boolean,
use_tanh: boolean,
limit_vision: boolean,
"""
super(RelModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = 2048 if use_resnet else 4096
self.pooling_dim = pooling_dim
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision = limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels')
if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.context = LinearizedContext(
self.classes,
self.rel_classes,
mode=self.mode,
embed_dim=self.embed_dim,
hidden_dim=self.hidden_dim,
obj_dim=self.obj_dim,
nl_obj=nl_obj,
nl_edge=nl_edge,
dropout_rate=rec_dropout,
order=order,
pass_in_obj_feats_to_decoder=pass_in_obj_feats_to_decoder,
pass_in_obj_feats_to_edge=pass_in_obj_feats_to_edge)
# Image Feats (You'll have to disable if you want to turn off the features from here)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=pooling_dim == 4096,
pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
###################################
self.post_lstm = nn.Linear(self.hidden_dim, self.pooling_dim * 2)
# Initialize to sqrt(1/2n) so that the outputs all have mean 0 and variance 1.
# (Half contribution comes from LSTM, half from embedding.
# In practice the pre-lstm stuff tends to have stdev 0.1 so I multiplied this by 10.
self.post_lstm.weight.data.normal_(
0, 10.0 * math.sqrt(1.0 / self.hidden_dim))
self.post_lstm.bias.data.zero_()
if nl_edge == 0:
self.post_emb = nn.Embedding(self.num_classes,
self.pooling_dim * 2)
self.post_emb.weight.data.normal_(0, math.sqrt(1.0))
self.rel_compress = nn.Linear(self.pooling_dim,
self.num_rels,
bias=True)
self.rel_compress.weight = torch.nn.init.xavier_normal(
self.rel_compress.weight, gain=1.0)
if self.use_bias:
self.freq_bias = FrequencyBias()
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=True,
require_overlap_det=True,
embed_dim=200,
hidden_dim=256,
pooling_dim=2048,
nl_obj=1,
nl_edge=2,
use_resnet=False,
order='confidence',
thresh=0.01,
use_proposals=False,
pass_in_obj_feats_to_decoder=True,
model_path='',
reachability=False,
pass_in_obj_feats_to_edge=True,
rec_dropout=0.0,
use_bias=True,
use_tanh=True,
init_center=False,
limit_vision=True):
super(RelModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.init_center = init_center
self.pooling_size = 7
self.model_path = model_path
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = 2048 if use_resnet else 4096
self.pooling_dim = pooling_dim
self.centroids = None
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision = limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.global_embedding = EmbeddingImagenet(4096)
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels')
if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.context = LinearizedContext(
self.classes,
self.rel_classes,
mode=self.mode,
embed_dim=self.embed_dim,
hidden_dim=self.hidden_dim,
obj_dim=self.obj_dim,
nl_obj=nl_obj,
nl_edge=nl_edge,
dropout_rate=rec_dropout,
order=order,
pass_in_obj_feats_to_decoder=pass_in_obj_feats_to_decoder,
pass_in_obj_feats_to_edge=pass_in_obj_feats_to_edge)
# Image Feats (You'll have to disable if you want to turn off the features from here)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
Flattener(),
load_vgg(use_dropout=False,
use_relu=False,
use_linear=pooling_dim == 4096,
pretrained=False).classifier,
]
if pooling_dim != 4096:
roi_fmap.append(nn.Linear(4096, pooling_dim))
self.roi_fmap = nn.Sequential(*roi_fmap)
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
###################################
self.post_lstm = nn.Linear(self.hidden_dim, self.pooling_dim * 2)
self.disc_center = DiscCentroidsLoss(self.num_rels, self.pooling_dim)
self.meta_classify = MetaEmbedding_Classifier(
feat_dim=self.pooling_dim, num_classes=self.num_rels)
self.disc_center_g = DiscCentroidsLoss(self.num_classes,
self.pooling_dim)
self.meta_classify_g = MetaEmbedding_Classifier(
feat_dim=self.pooling_dim, num_classes=self.num_classes)
self.global_sub_additive = nn.Linear(4096, 1, bias=True)
self.global_obj_additive = nn.Linear(4096, 1, bias=True)
# Initialize to sqrt(1/2n) so that the outputs all have mean 0 and variance 1.
# (Half contribution comes from LSTM, half from embedding.
# In practice the pre-lstm stuff tends to have stdev 0.1 so I multiplied this by 10.
self.post_lstm.weight.data.normal_(
0, 10.0 * math.sqrt(1.0 / self.hidden_dim))
self.post_lstm.bias.data.zero_()
self.global_logist = nn.Linear(self.pooling_dim,
self.num_classes,
bias=True) # CosineLinear(4096,150)#
self.global_logist.weight = torch.nn.init.xavier_normal(
self.global_logist.weight, gain=1.0)
self.post_emb = nn.Embedding(self.num_classes, self.pooling_dim * 2)
self.post_emb.weight.data.normal_(0, math.sqrt(1.0))
self.rel_compress = nn.Linear(self.pooling_dim,
self.num_rels,
bias=True)
self.rel_compress.weight = torch.nn.init.xavier_normal(
self.rel_compress.weight, gain=1.0)
if self.use_bias:
self.freq_bias = FrequencyBias()
self.class_num = torch.zeros(len(self.classes))
self.centroids = torch.zeros(len(self.classes),
self.pooling_dim).cuda()
def __init__(self, classes, rel_classes, mode='sgdet', num_gpus=1, require_overlap_det=True,
embed_dim=200, use_resnet=False, order='confidence', thresh=0.01, use_proposals=False):
"""
:param classes: Object classes
:param rel_classes: Relationship classes. None if were not using rel mode
:param mode: (sgcls, predcls, or sgdet)
"""
super(NODIS, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.embed_dim = embed_dim
self.obj_dim = 2048 if use_resnet else 4096
self.order = 'random'
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.detector = ObjectDetector(
classes=classes,
mode=('proposals' if use_proposals else 'refinerels') if mode == 'sgdet' else 'gtbox',
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.context = O_NODE(self.classes, self.rel_classes, mode=self.mode, embed_dim=self.embed_dim, obj_dim=self.obj_dim, order=order)
# Image Feats (You'll have to disable if you want to turn off the features from here)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size, stride=16,
dim=1024 if use_resnet else 512)
if use_resnet:
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
self.roi_fmap_obj = load_vgg(pretrained=False).classifier
self.roi_avg_pool = nn.AvgPool2d(kernel_size=7, stride=0)
###################################
embed_vecs = obj_edge_vectors(self.classes, wv_dim=self.embed_dim)
self.obj_embed = nn.Embedding(self.num_classes, self.embed_dim)
self.obj_embed.weight.data = embed_vecs.clone()
self.obj_embed2 = nn.Embedding(self.num_classes, self.embed_dim)
self.obj_embed2.weight.data = embed_vecs.clone()
self.lstm_visual = nn.LSTM(input_size=1536, hidden_size=512)
self.lstm_semantic = nn.LSTM(input_size=400, hidden_size=512)
self.odeBlock = odeBlock(odeFunc1(bidirectional=True))
self.fc_predicate = nn.Sequential(nn.Linear(1024, 512),
nn.ReLU(inplace=False),
nn.Linear(512, 51),
nn.ReLU(inplace=False))
def __init__(self,
classes,
rel_classes,
mode='sgdet',
num_gpus=1,
use_vision=True,
require_overlap_det=True,
embed_dim=200,
hidden_dim=256,
obj_dim=2048,
pooling_dim=4096,
nl_obj=1,
nl_edge=2,
use_resnet=True,
order='confidence',
thresh=0.01,
use_proposals=False,
pass_in_obj_feats_to_decoder=True,
pass_in_obj_feats_to_edge=True,
rec_dropout=0.0,
use_bias=True,
use_tanh=True,
limit_vision=True,
spatial_dim=128,
graph_constrain=True,
mp_iter_num=1):
"""
Args:
mp_iter_num: integer, number of message passing iteration
"""
super(FckModel, self).__init__()
self.classes = classes
self.rel_classes = rel_classes
self.num_gpus = num_gpus
assert mode in MODES
self.mode = mode
self.pooling_size = 7
self.embed_dim = embed_dim
self.hidden_dim = hidden_dim
self.obj_dim = obj_dim
self.pooling_dim = 2048 if use_resnet else 4096
self.spatial_dim = spatial_dim
self.use_bias = use_bias
self.use_vision = use_vision
self.use_tanh = use_tanh
self.limit_vision = limit_vision
self.require_overlap = require_overlap_det and self.mode == 'sgdet'
self.graph_cons = graph_constrain
self.mp_iter_num = mp_iter_num
classes_word_vec = obj_edge_vectors(self.classes, wv_dim=embed_dim)
self.classes_word_embedding = nn.Embedding(self.num_classes, embed_dim)
self.classes_word_embedding.weight.data = classes_word_vec.clone()
self.classes_word_embedding.weight.requires_grad = False
# the last one is dirty bit
self.rel_mem = nn.Embedding(self.num_rels, self.obj_dim + 1)
self.rel_mem.weight.data[:, -1] = 0
if mode == 'sgdet':
if use_proposals:
obj_detector_mode = 'proposals'
else:
obj_detector_mode = 'refinerels'
else:
obj_detector_mode = 'gtbox'
self.detector = ObjectDetector(
classes=classes,
mode=obj_detector_mode,
use_resnet=use_resnet,
thresh=thresh,
max_per_img=64,
)
self.union_boxes = UnionBoxesAndFeats(pooling_size=self.pooling_size,
stride=16,
dim=1024 if use_resnet else 512,
use_feats=False)
self.spatial_fc = nn.Sequential(*[
nn.Linear(4, spatial_dim),
nn.BatchNorm1d(spatial_dim, momentum=BATCHNORM_MOMENTUM / 10.),
nn.ReLU(inplace=True)
])
self.word_fc = nn.Sequential(*[
nn.Linear(2 * embed_dim, hidden_dim),
nn.BatchNorm1d(hidden_dim, momentum=BATCHNORM_MOMENTUM / 10.),
nn.ReLU(inplace=True)
])
# union box feats
feats_dim = obj_dim + spatial_dim + hidden_dim
self.relpn_fc = nn.Linear(feats_dim, 2)
self.relcnn_fc1 = nn.Sequential(
*[nn.Linear(feats_dim, feats_dim),
nn.ReLU(inplace=True)])
self.box_mp_fc = nn.Sequential(*[
nn.Linear(obj_dim, obj_dim),
])
self.sub_rel_mp_fc = nn.Sequential(*[nn.Linear(feats_dim, obj_dim)])
self.obj_rel_mp_fc = nn.Sequential(*[
nn.Linear(feats_dim, obj_dim),
])
self.mp_atten_fc = nn.Sequential(*[
nn.Linear(feats_dim + obj_dim, obj_dim),
nn.ReLU(inplace=True),
nn.Linear(obj_dim, 1)
])
self.cls_fc = nn.Linear(obj_dim, self.num_classes)
self.relcnn_fc2 = nn.Linear(
feats_dim, self.num_rels if self.graph_cons else 2 * self.num_rels)
if use_resnet:
#deprecate
self.roi_fmap = nn.Sequential(
resnet_l4(relu_end=False),
nn.AvgPool2d(self.pooling_size),
Flattener(),
)
else:
roi_fmap = [
load_vgg(
use_dropout=False,
use_relu=False,
use_linear=self.obj_dim == 4096,
pretrained=False,
).classifier,
nn.Linear(self.pooling_dim, self.obj_dim)
]
self.roi_fmap = nn.Sequential(*roi_fmap)
